| Message ID | 20211125074752.274176-10-ruansy.fnst@fujitsu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | generic: add some mmap CoW tests | expand |
On Thu, Nov 25, 2021 at 03:47:45PM +0800, Shiyang Ruan wrote: > Ensuring that copy on write in mmap mode to the source file when the CoW range > covers holes and regular shared blocks. > (MMAP version of generic/291,292) > > Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> Looks good, and thanks for mentioning which test each of these new ones came from! Reviewed-by: Darrick J. Wong <djwong@kernel.org> --D > --- > tests/generic/908 | 62 +++++++++++++++++++++++++++++++++++++++++++ > tests/generic/908.out | 12 +++++++++ > 2 files changed, 74 insertions(+) > create mode 100755 tests/generic/908 > create mode 100644 tests/generic/908.out > > diff --git a/tests/generic/908 b/tests/generic/908 > new file mode 100755 > index 00000000..ad8de699 > --- /dev/null > +++ b/tests/generic/908 > @@ -0,0 +1,62 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# > +# FS QA Test No. 908 > +# > +# Ensuring that copy on write in mmap mode to the source file when the > +# CoW range covers holes and regular shared blocks. > +# (MMAP version of generic/291,292) > +# - Create two files. > +# - Truncate the first file. > +# - Write the odd blocks of the first file. > +# - Reflink the odd blocks of the first file into the second file. > +# - mmap CoW the first file across the halfway mark, starting with the > +# regular extent. > +# - Check that the files are now different where we say they're different. > +# > +. ./common/preamble > +_begin_fstest auto quick clone > + > +# Import common functions. > +. ./common/filter > +. ./common/reflink > + > +# real QA test starts here > +_require_scratch_reflink > +_require_xfs_io_command "falloc" > + > +echo "Format and mount" > +_scratch_mkfs > $seqres.full 2>&1 > +_scratch_mount >> $seqres.full 2>&1 > + > +testdir=$SCRATCH_MNT/test-$seq > +mkdir $testdir > + > +echo "Create the original files" > +blksz=65536 > +nr=64 > +filesize=$((blksz * nr)) > +_sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file1.chk | _filter_scratch > + > +echo "mmap CoW across the transition" > +cowoff=$((filesize / 4)) > +cowsz=$((filesize / 2)) > +mmapsz=$((cowoff + cowsz)) > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1 >> $seqres.full > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1.chk >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file1.chk | _filter_scratch > + > +# success, all done > +status=0 > +exit > diff --git a/tests/generic/908.out b/tests/generic/908.out > new file mode 100644 > index 00000000..c8c670ac > --- /dev/null > +++ b/tests/generic/908.out > @@ -0,0 +1,12 @@ > +QA output created by 908 > +Format and mount > +Create the original files > +Compare files > +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-908/file1 > +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-908/file3 > +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-908/file1.chk > +mmap CoW across the transition > +Compare files > +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-908/file1 > +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-908/file3 > +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-908/file1.chk > -- > 2.34.0 > > >
diff --git a/tests/generic/908 b/tests/generic/908 new file mode 100755 index 00000000..ad8de699 --- /dev/null +++ b/tests/generic/908 @@ -0,0 +1,62 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# FS QA Test No. 908 +# +# Ensuring that copy on write in mmap mode to the source file when the +# CoW range covers holes and regular shared blocks. +# (MMAP version of generic/291,292) +# - Create two files. +# - Truncate the first file. +# - Write the odd blocks of the first file. +# - Reflink the odd blocks of the first file into the second file. +# - mmap CoW the first file across the halfway mark, starting with the +# regular extent. +# - Check that the files are now different where we say they're different. +# +. ./common/preamble +_begin_fstest auto quick clone + +# Import common functions. +. ./common/filter +. ./common/reflink + +# real QA test starts here +_require_scratch_reflink +_require_xfs_io_command "falloc" + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +echo "Create the original files" +blksz=65536 +nr=64 +filesize=$((blksz * nr)) +_sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file1.chk | _filter_scratch + +echo "mmap CoW across the transition" +cowoff=$((filesize / 4)) +cowsz=$((filesize / 2)) +mmapsz=$((cowoff + cowsz)) +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1 >> $seqres.full +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1.chk >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file1.chk | _filter_scratch + +# success, all done +status=0 +exit diff --git a/tests/generic/908.out b/tests/generic/908.out new file mode 100644 index 00000000..c8c670ac --- /dev/null +++ b/tests/generic/908.out @@ -0,0 +1,12 @@ +QA output created by 908 +Format and mount +Create the original files +Compare files +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-908/file1 +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-908/file3 +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-908/file1.chk +mmap CoW across the transition +Compare files +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-908/file1 +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-908/file3 +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-908/file1.chk
Ensuring that copy on write in mmap mode to the source file when the CoW range covers holes and regular shared blocks. (MMAP version of generic/291,292) Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> --- tests/generic/908 | 62 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/908.out | 12 +++++++++ 2 files changed, 74 insertions(+) create mode 100755 tests/generic/908 create mode 100644 tests/generic/908.out